The light spongy effect allows the underlay and the rug to breathe, with no risk of oxidation or discoloration to any flooring surface.
When placing on top of carpeting, place the underlay black side down.
When placing on smooth flooring, place the underlay grey side down.
*Cleaning Guide – Vacuum loose debris on a low setting on your hoover. The underlay is easy to re position once areas underneath and around is cleaned.